This journal provides immediate access to some articles. Volume 50(5); November 1963 Biochemistry COMPOSITION OF THE NUCLEUS AND CHROMOSOMES IN THE LAMPBRUSH STAGE OF THE NEWT OÖCYTE PMCID: PMC221931 VARIATION OF THE CONFORMATION OF THE ACTIVE SITE OF α-CHYMOTRYPSIN WITH HYDROGEN ION CONCENTRATION PMCID: PMC221932 STRUCTURAL PROTEINS OF MEMBRANE SYSTEMS PMCID: PMC221933 THE UNFOLDING AND RENATURATION OF A SPECIFIC UNIVALENT ANTIBODY FRAGMENT PMCID: PMC221934 THE CRYSTAL STRUCTURE OF AN INTERMOLECULAR NUCLEOSIDE COMPLEX: ADENOSINE AND 5-BROMOURIDINE PMCID: PMC221941 ANIMAL AND PLANT VIRUSES WITH DOUBLE-HELICAL RNA PMCID: PMC221942 CHROMOSOMALLY DIRECTED PROTEIN SYNTHESIS PMCID: PMC221944 SOME OBSERVATIONS ON THE ENZYME HYDROGENASE OF DESULFOVIBRIO DESULFURICANS PMCID: PMC221945 AN RNA „REPLICASE” INDUCED BY AND SELECTIVE FOR A VIRAL RNA: ISOLATION AND PROPERTIES PMCID: PMC221946 GLUCOCORTICOID STIMULATION OF THE BIOSYNTHESIS OF GLUTAMIC-ALANINE TRANSAMINASE PMCID: PMC221947 AN INFLUENCE OF INSULIN ON THE SYNTHESIS OF A RAPIDLY LABELED RNA BY ISOLATED RAT DIAPHRAGM PMCID: PMC221948 POLYRIBOSOME BREAKDOWN AND HEMOGLOBIN SYNTHESIS PMCID: PMC221949 ROLE OF SERINE IN CHYMOTRYPSIN ACTION. CONVERSION OF THE ACTIVE SERINE TO DEHYDROALANINE PMCID: PMC221950 ON THE ASYMMETRY OF RNA SYNTHESIS IN VIVO PMCID: PMC221951 ANTIBIOTIC GLYCOSIDES, IV. STUDIES ON THE MECHANISM OF ERYTHROMYCIN RESISTANCE IN BACILLUS SUBTILIS PMCID: PMC221955 DELOCALIZED VERSUS LOCALIZED PICTURES IN RESONANCE ENERGY TRANSFER PMCID: PMC221956 THE ABSOLUTE STEREOCHEMICAL COURSE OF CITRIC ACID BIOSYNTHESIS PMCID: PMC221959 DEVELOPMENTAL CHANGES AND HETEROGENEITY OF LACTIC AND MALIC DEHYDROGENASES OF HUMAN SKELETAL MUSCLES AND OTHER ORGANS PMCID: PMC221962 STUDIES ON THE PROTEIN COMPONENTS OF CILIA FROM TETRAHYMENA PYRIFORMIS PMCID: PMC221963 Botany THE EFFECT OF MITOTIC CYCLE DURATION ON CHROMOSOME BREAKAGE IN MERISTEMATIC CELLS OF PISUM SATIVUM PMCID: PMC221938 TREE LINES AND GERM PLASM—A STUDY IN EVOLUTIONARY LIMITATIONS PMCID: PMC221939 Chemistry SOME EFFECTS OF SOLVATION UPON OPTICALLY ACTIVE MOLECULES PMCID: PMC221928 STUDIES ON CYCLOSERINE-CATALYZED REACTIONS PMCID: PMC221957 Genetics EVOLUTION OF HEMOGLOBIN IN PRIMATES PMCID: PMC221943 THE ORIGIN OF SPONTANEOUS MUTATIONS DURING MEIOSIS PMCID: PMC221958 Mathematics NOTE ON THE CONVERGENCE OF APPROXIMATING RATIONAL FUNCTIONS OF PRESCRIBED TYPE PMCID: PMC221926 VARIATIONAL BOUNDARY VALUE PROBLEMS FOR QUASI-LINEAR ELLIPTIC EQUATIONS, III PMCID: PMC221927 FUNCTORIAL SEMANTICS OF ALGEBRAIC THEORIES PMCID: PMC221940 A STABILITY THEOREM FOR FUNCTIONAL-DIFFERENTIAL EQUATIONS PMCID: PMC221952 A NEW TYPE OF NON ASSOCIATIVE ALGEBRAS PMCID: PMC221953 THE EULER CLASS AS AN OBSTRUCTION IN THE THEORY OF FOLIATIONS PMCID: PMC221954 A STOCHASTIC MODEL FOR THE INTERPRETATION OF CLINICAL TRIALS PMCID: PMC221960 ON DIFFERENTIAL SYSTEMS, II PMCID: PMC221961 Microbiology THE BIOLOGICAL STATUS OF LAMBDA AND RELATED PARTICLES IN PARAMECIUM AURELIA PMCID: PMC221935 SYNERGISTIC ACTION OF NITROGEN MUSTARD AND RADIATION IN MICROORGANISMS PMCID: PMC221936 Pathology AN ANALYSIS OF SV40-INDUCED TRANSFORMATION OF HAMSTER KIDNEY TISSUE IN VITRO, II. STUDIES OF THREE CLONES DERIVED FROM A CONTINUOUS LINE OF TRANSFORMED CELLS PMCID: PMC221937 Physics NOTE ON THE LINEARIZED BOLTZMANN INTEGRAL EQUATION FOR RIGID SPHERE MOLECULES PMCID: PMC221929 Psychology AUDITORY RESPONSES IN THE TOKAY GECKO PMCID: PMC221930 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||